*{
    margin: 0;
    padding: 0;
}
.header{
    width: 100%;
    height: 45px;
    background: red;
}
.header .logo{
    float: left;
    margin-left: 20px;
}
.header .logo a{
    display: inline-block;
    width: 78px;
    height: 21px;
    background: url("../images/player_logo.png") no-repeat 0 0;
    opacity: 0.5;
}
.header .logo a:hover{
    opacity: 1;
}
.header .register{
    float: right;
    line-height: 45px;
}
.header .register li{
    float: left;
    list-style: none;
    margin-right: 20px;
    color: #fff;
    opacity: 0.5;
}
.header .register li:hover{
    opacity: 1;
}
.content{
    width: 100%;
    height: 460px;
    background: #007DDC;
}
.content .content_in{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    background: #E55C3D;
}
.content .content_left{
    float: left;
    width: 800px;
    height: 100%;
    background: pink;
}
.content_left .content_toolbar{
    width: 100%;
    height: 40px;
    background: #000;
}
.content_toolbar span{
    display: inline-block;
    width: 122px;
    height: 100%;
    line-height: 40px;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 5px;
    text-align: center;
    box-sizing: border-box;
    opacity: 0.5;
}
.content_toolbar span:hover{
    opacity: 1;
}
.content_toolbar span i{
    display: inline-block;
    width: 18px;
    height: 18px;
    background: url("../images/icon_sprite.png") no-repeat 0 0;
    margin-right: 10px;
    vertical-align: -5px;
}
.content_toolbar span:nth-child(1) i{
    background-position: -60px -20px;
}
.content_toolbar span:nth-child(2) i{
    background-position: -20px -20px;
}
.content_toolbar span:nth-child(3) i{
    background-position: -40px -240px;
}
.content_toolbar span:nth-child(4) i{
    background-position: -100px -20px;
}
.content_toolbar span:nth-child(5) i{
    background-position: -40px -300px;
}
.content_left .content_list{
    width: 100%;
    height: 420px;
    background: palegreen;
}
.content .content_right{
    float: right;
    width: 400px;
    height: 100%;
    background: #9f5024;
}
.footer{
    width: 100%;
    height: 80px;
    background: yellow;
    position: absolute;
    left: 0;
    bottom: 0;
}
.footer .footer_in{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    background: #ff4500;
}